Liner for spray-gun cup



FIG. 1 is a front elevational view of a liner for a spray-gun cup showing my design, the undisclosed opposite side being a mirror image;

FIG. 2 is a side elevational view thereof, the undisclosed opposite side being a mirror image; and,

FIG. 3 is a left, front perspective view of the liner shown in an alternate position for clarity of illustration.

The broken line showing of a spray-gun cup is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design of a liner for a spray-gun cup, as shown and described. 